Exposure
- ID
- GRAVI.2025-05-13T08:08:25.982_2
- Header ID
- GRAVI.2025-05-13T08:08:25.982
- Date updated
- 2025-05-13 08:25:43 UTC+0000
- Release date
- 2026-05-13 08:25:43 UTC+0000
- UTC Start
- 2025-05-13 08:08:25.982
- UTC End
- 2025-05-13 08:14:25.982
- MJD Start
- 60808.33918961
- MJD End
- 60808.343356276666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.012374
- Ambient temperature (°C)
- 16.27
- Seeing (arcsec)
- 0.32
Observation
- ID
- 67241
- Category
- science
- Program ID
- 115.27WT.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY(+) - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / MANG / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / GARCIA / PAUMARD / BOURDAROT / STURM / LUTZ / LE BOUQUIN / CAO / KREIDBERG / HOENIG / FOSCHI / PERRIN / CARDOSO / AIMAR / URSO / ABD EL DAYEM / ROUSSELET-PER
Target
- ID
- 45257
- Name
- IRS16C
- RA
- 266.4170791666666
- DEC
- -29.007681388888887
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.5410 | 55.3930 | 32.4000 | 32.9000 |
| U1-U3 | 100.2020 | 99.8590 | 38.8000 | 39.3000 |
| U1-U4 | 125.8250 | 125.0250 | 67.4440 | 68.0810 |
| U2-U3 | 45.4250 | 45.2270 | 46.6000 | 47.1000 |
| U2-U4 | 86.4690 | 85.8780 | 89.0990 | 89.8820 |
| U3-U4 | 61.2610 | 60.9840 | 119.1910 | 120.1250 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60808.33918961 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416508 |
| DEC | -29.0075 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 55.541 |
| HIERARCH ESO ISS PBL12 END | 55.393 |
| HIERARCH ESO ISS PBLA12 START | 32.4 |
| HIERARCH ESO ISS PBLA12 END | 32.9 |
| HIERARCH ESO ISS PBL13 START | 100.202 |
| HIERARCH ESO ISS PBL13 END | 99.859 |
| HIERARCH ESO ISS PBLA13 START | 38.8 |
| HIERARCH ESO ISS PBLA13 END | 39.3 |
| HIERARCH ESO ISS PBL14 START | 125.825 |
| HIERARCH ESO ISS PBL14 END | 125.025 |
| HIERARCH ESO ISS PBLA14 START | 67.444 |
| HIERARCH ESO ISS PBLA14 END | 68.081 |
| HIERARCH ESO ISS PBL23 START | 45.425 |
| HIERARCH ESO ISS PBL23 END | 45.227 |
| HIERARCH ESO ISS PBLA23 START | 46.6 |
| HIERARCH ESO ISS PBLA23 END | 47.1 |
| HIERARCH ESO ISS PBL24 START | 86.469 |
| HIERARCH ESO ISS PBL24 END | 85.878 |
| HIERARCH ESO ISS PBLA24 START | 89.099 |
| HIERARCH ESO ISS PBLA24 END | 89.882 |
| HIERARCH ESO ISS PBL34 START | 61.261 |
| HIERARCH ESO ISS PBL34 END | 60.984 |
| HIERARCH ESO ISS PBLA34 START | 119.191 |
| HIERARCH ESO ISS PBLA34 END | 120.125 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.012812 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.011936 |
| HIERARCH ESO ISS AMBI TEMP | 16.27 |
| HIERARCH ESO ISS AMBI FWHM START | 0.28 |
| HIERARCH ESO ISS AMBI FWHM END | 0.36 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |